3223351818540 has 72 divisors (see below), whose sum is σ = 11174286308640. Its totient is φ = 736766129664.

The previous prime is 3223351818521. The next prime is 3223351818581. The reversal of 3223351818540 is 458181533223.

3223351818540 is a `hidden beast` number, since 3 + 2 + 23 + 3 + 5 + 1 + 81 + 8 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1279106605 + ... + 1279109124.

Almost surely, 2^{3223351818540} is an apocalyptic number.

3223351818540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3223351818540 is an abundant number, since it is smaller than the sum of its proper divisors (7950934490100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3223351818540 is a wasteful number, since it uses less digits than its factorization.

3223351818540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558215751 (or 2558215746 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 3223351818540 in words is "three trillion, two hundred twenty-three billion, three hundred fifty-one million, eight hundred eighteen thousand, five hundred forty".